Language Symbol Allocation

Based on ItsTimeToDumpCeeSyntax and AlternativesToCeeSyntax

There are only so many keyboard symbols available for various uses in a programming language. Given this scarce real-estate, how would you prefer the symbols be allocated in an AlgolFamily or C-like programming language? For now, let's assume we'll keep the math and comparison symbols as is.

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TopMind's preference:

 . Object and map paths (see MergingMapsAndObjects)
 & Concatenation
 ~ Shortcut for keyword=true (for languages with optional keywords)
 ^ By reference instead of by value (in parameter definitions)
 # [under constru
 % [under constru

Your preference here...